(ded4a3e0a) v0.9.0.7

Libraries/MonoGame.Framework/Src/MonoGame.Framework/Graphics/ModelBoneCollection.cs

@@ -0,0 +1,126 @@
+// MonoGame - Copyright (C) The MonoGame Team
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE.txt', which is part of this source code package.
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+
+namespace Microsoft.Xna.Framework.Graphics
+{
+    /// <summary>
+    /// Represents a set of bones associated with a model.
+    /// </summary>
+    public class ModelBoneCollection : ReadOnlyCollection<ModelBone>
+    {
+        public ModelBoneCollection(IList<ModelBone> list)
+            : base(list)
+        {
+
+        }
+
+        /// <summary>
+        /// Retrieves a ModelBone from the collection, given the name of the bone.
+        /// </summary>
+        /// <param name="boneName">The name of the bone to retrieve.</param>
+        public ModelBone this[string boneName]
+        {
+            get
+            {
+                ModelBone ret;
+                if (!TryGetValue(boneName, out ret))
+                    throw new KeyNotFoundException();
+                return ret;
+            }
+        }
+
+        /// <summary>
+        /// Finds a bone with a given name if it exists in the collection.
+        /// </summary>
+        /// <param name="boneName">The name of the bone to find.</param>
+        /// <param name="value">The bone named boneName, if found.</param>
+        /// <returns>true if the bone was found</returns>
+        public bool TryGetValue(string boneName, out ModelBone value)
+        {
+            if (string.IsNullOrEmpty(boneName))
+                throw new ArgumentNullException("boneName");
+
+            foreach (ModelBone bone in this)
+            {
+                if (bone.Name == boneName)
+                {
+                    value = bone;
+                    return true;
+                }
+            }
+
+            value = null;
+            return false;
+        }
+
+        /// <summary>
+        /// Returns a ModelMeshCollection.Enumerator that can iterate through a ModelMeshCollection.
+        /// </summary>
+        /// <returns></returns>
+        public new Enumerator GetEnumerator()
+        {
+            return new Enumerator(this);
+        }
+
+        /// <summary>
+        /// Provides the ability to iterate through the bones in an ModelMeshCollection.
+        /// </summary>
+        public struct Enumerator : IEnumerator<ModelBone>
+        {
+            private readonly ModelBoneCollection _collection;
+            private int _position;
+
+            internal Enumerator(ModelBoneCollection collection)
+            {
+                _collection = collection;
+                _position = -1;
+            }
+
+
+            /// <summary>
+            /// Gets the current element in the ModelMeshCollection.
+            /// </summary>
+            public ModelBone Current { get { return _collection[_position]; } }
+
+            /// <summary>
+            /// Advances the enumerator to the next element of the ModelMeshCollection.
+            /// </summary>
+            public bool MoveNext()
+            {
+                _position++;
+                return (_position < _collection.Count);
+            }
+
+            #region IDisposable
+
+            /// <summary>
+            /// Immediately releases the unmanaged resources used by this object.
+            /// </summary>
+            public void Dispose()
+            {
+            }
+
+            #endregion
+
+            #region IEnumerator Members
+
+            object IEnumerator.Current
+            {
+                get { return _collection[_position]; }
+            }
+
+            public void Reset()
+            {
+                _position = -1;
+            }
+
+            #endregion
+        }
+    }
+}